.\" Automatically generated by Pod::Man 4.14 (Pod::Simple 3.43) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" Set up some character translations and predefined strings. \*(-- will .\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left .\" double quote, and \*(R" will give a right double quote. \*(C+ will .\" give a nicer C++. Capital omega is used to do unbreakable dashes and .\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff, .\" nothing in troff, for use with C<>. .tr \(*W- .ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p' .ie n \{\ . ds -- \(*W- . ds PI pi . if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch . if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch . ds L" "" . ds R" "" . ds C` "" . ds C' "" 'br\} .el\{\ . ds -- \|\(em\| . ds PI \(*p . ds L" `` . ds R" '' . ds C` . ds C' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is >0, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .nr rF 0 .if \n(.g .if rF .nr rF 1 .if (\n(rF:(\n(.g==0)) \{\ . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF .\" ======================================================================== .\" .IX Title "curry 3pm" .TH curry 3pm "2022-11-19" "perl v5.36.0" "User Contributed Perl Documentation" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH "NAME" curry \- Create automatic curried method call closures for any class or object .SH "SYNOPSIS" .IX Header "SYNOPSIS" .Vb 1 \& use curry; \& \& my $code = $obj\->curry::frobnicate(\*(Aqfoo\*(Aq); .Ve .PP is equivalent to: .PP .Vb 1 \& my $code = sub { $obj\->frobnicate(foo => @_) }; .Ve .PP If you have a method name (or a coderef), you can call (as of version 2): .PP .Vb 1 \& my $code = $obj\->curry::_($method => \*(Aqfoo\*(Aq); .Ve .PP Additionally, .PP .Vb 1 \& use curry::weak; \& \& my $code = $obj\->curry::weak::frobnicate(\*(Aqfoo\*(Aq); .Ve .PP is equivalent to: .PP .Vb 7 \& my $code = do { \& Scalar::Util::weaken(my $weak_obj = $obj); \& sub { \& return unless $weak_obj; # in case it already went away \& $weak_obj\->frobnicate(foo => @_) \& }; \& }; .Ve .PP Similarly, given a method name or coderef (as of version 2): .PP .Vb 1 \& my $code = $obj\->curry::weak::_($method => \*(Aqfoo\*(Aq); .Ve .PP There are also \f(CW$curry::curry\fR and \f(CW$curry::weak\fR globals that work equivalently to \f(CW\*(C`curry::_\*(C'\fR and \f(CW\*(C`curry::weak::_\*(C'\fR respectively \- you'll quite possibly see them in existing code because they were provided in pre\-2.0 versions but they're unlikely to be the best option for new code. .SH "RATIONALE" .IX Header "RATIONALE" How many times have you written .PP .Vb 1 \& sub { $obj\->something($some, $args, @_) } .Ve .PP or worse still needed to weaken it and had to check and re-check your code to be sure you weren't closing over things the wrong way? .PP Right. That's why I wrote this. .SH "AUTHOR" .IX Header "AUTHOR" mst \- Matt S. Trout (cpan:MSTROUT) .SH "CONTRIBUTORS" .IX Header "CONTRIBUTORS" None yet \- maybe this software is perfect! (ahahahahahahahahaha) .SH "COPYRIGHT" .IX Header "COPYRIGHT" Copyright (c) 2012 the curry \*(L"\s-1AUTHOR\*(R"\s0 and \*(L"\s-1CONTRIBUTORS\*(R"\s0 as listed above. .SH "LICENSE" .IX Header "LICENSE" This library is free software and may be distributed under the same terms as perl itself.